Linear Satellite Radio Bedienungsanleitung

DESCRIPTION

TheD-4Bisahandheldfour-channeltransmitter,

designed to perform fourseparate functions. this

attractive, lightweight transmitter, operating in

conjunctionwithfoursingle-channelreceivers,or

one multi-channel receiver, can perform a wide

variety of remote switching tasks.

CODE SWITCH LOCATION

Thedigital codingswitchis attachedto thecircuit

boardinside thetransmitter.Itislocated beneath

the small access door on the back of the case

(see Figure 1). To reach the coding switch and

the 9-volt battery, gently pry open the access

door and lift it off.

CAUTION:

Transmitters and receivers should be

recoded by the installer prior to

installation.

In order to avoid the possibility of duplicating

codes in adjacent systems, factory set codes

should not be used. In addition, among the valid

codes available, four other should not be used

because they, also, are too often duplicated.

These include: (1) all keys set to ON; (2) all keys

set to OFF; (3) keys set in alternating ON/OFF

positions;and (4) keyssetinalternating OFF/ON

positions.

CODE SETTING FOR FOUR

SINGLE-CHANNEL RECEIVERS

Following is the procedure for coding four

single-channel receivers to a D-4B transmitter.

Use a paper clip or other pointed object (except

a pencil or pen) to set the keys on the digital

coding switches to the code you select -

rememberthepreviouscautionaboutcoding. Do

not use a pen or pencil; the ink or graphite may

contaminate the switch keys. Note that the D-4B

and each receiver has an eight-position

dipswitch (see Figure 2). The ON/OFF code

selected on keys 3-8 in the transmitter must

matchexactlywiththeON/OFFcodeselected

on keys 3-8 in each receiver. Set keys to ON

or OFF positions from left to right (from numbers

3-8). In the example shown in Figure 2, keys 4,

6 and 7 are set to ON; keys 1, 2, 3, 5, and 8 are

setto OFF. Keys 1 and 2in the transmitter are

not connected, they can be set in any

position.

Set each receiver’s switch keys 1 and 2 as

follows:

Receiver #1: Switch 1 OFF, switch 2 OFF (see

Figure 3)

Receiver #2: Switch 1 ON, switch 2 OFF (see

Figure 4)

Receiver #3: Switch 1 OFF, switch 2 ON (see

Figure 5)

Receiver #4: Switch 1 ON, switch 2 ON (see

Figure 6)

Each button on the D-4B will now activate a

separate receiver.

NOTE:

Mount receivers at least 10 feet apart

from each other.

CODE SETTING FOR

FOUR-CHANNEL RECEIVERS

To code a D-4B transmitter with a four-channel

receiver, procede as follows:

Set keys 3 through 8 in the transmitter to

correspond exactly to keys 3 through 8 in the

receiver. Matching these keys completes the

coding procedure required to activate the four

channels. Their functions are programmed to

access channels 1 through four corresponding

with buttons 1 through 4 onthe D-4B transmitter.

CODE SETTING FOR

EIGHT-CHANNEL RECEIVERS

TocodeaD-4Btransmitterwithaneight-channel

receiver, procede as follows:

Set keys 4 through 8 in the transmitter to

correspond exactly to keys 4 through 8 in the

receiver.

Forthetransmittertoactivatechannels1through

4 of the eight-channel receiver, set key 3 in the

transmitter to OFF.

Forthetransmittertoactivatechannels5through

8 of the eight-channel receiver, set key 3 in the

transmitter to ON.

Figure 1. Removing the Battery/Coding Access

Door

Figure 2. Example

Digital Coding

Switch

1 2 3 4 5 6 7 8

Figure 3. Receiver #1 Coding

1 2 3 4 5 6 7 8

Figure 4. Receiver #2 Coding

1 2 3 4 5 6 7 8

Figure 5. Receiver #3 Coding

1 2 3 4 5 6 7 8

Figure 6. Receiver #4 Coding

CHECKOUT AND TEST

After coding the D-4B transmitter and receiver,

the units should be tested as a system.

NOTE:

The receiver should be powered as

described in the Code Setting and

Installation Instructions pamphlet

enclosed with the receiver. Provision

should be made (with a meter or sounder)

to detect that the correct receiver output

is activated when a signal is received

from the D-4B transmitter.

To test the transmitter, perform the following

steps:

STEP 1: Move the transmitter at least six feet

away from the receiver and press a pushbutton.

Receiver activation indicates that the transmitter

is operating properly and that the

transmitter/receiver’s digital codes are correctly

matched.

NOTE:

The transmitter transmits continously

with any button depressed. The red LED

lights during transmission to indicate

batery condition.

STEP 2: Operate the transmitter from various

locations. This will help to locate possible null

areas where structural steel, and/or certain

obstacles may interfere with transmission.

Ifthe transmitterfailstoactivatethereceiver, first

check the coding switches to see that the switch

keys in the transmitter and receiver are properly

matched. Next, check the battery and replace it

if it is week. Although the battery should last for

a year with normal use, it is good practice to

install a new battery every six months.

LINEAR LIMITED WARRANTY

This Linear product is warranted against defects

in material and workmanship for twelve (12)

months. The Warranty Expiration Date islabeled

on the product. This warranty extends only to

wholesale customers who buy direct from

Linear or through Linear’s normal distribution

channels. Linear does not warrant this

product to consumers. Consumers should

inquire from their selling dealer as to the nature

of the dealer’s warranty, if any. There are no

obligations or liabilities on the part of Linear

corporation for consequential damages

arising out of or in connection with use or

performance of this product or other indirect

damages with respect to loss of property,

revenue, or profit, or cost of removal,

installation, or reinstallation. All implied

warranties, including implied warranties for

merchantability and implied warranties for

fitness, are valid only until Warranty Expiration

Date as labeled on the product. This Linear

Corporation Warranty is in lieu of all other

warranties express or implied.

For warranty service on Linear equipment return

product, at sender’s expense to:

Linear Corporation

5957 Landau Court

Carlsbad, CA 92008

Attention: Repairs Department

IMPORTANT !!!

Linear radio controls provide a reliable

communications linkand fillan importantneedin

portable wireless signalling. However, there are

some limitations which must be observed.

✶For U.S. installations only: The radios are

required to comply with FCC Rules and

Regulations as Part 15 devices. As such,

they have limited transmitter power and

therefore limited range.

✶Receivers may be blocked by radio signals

that occur on or near their operating

frequencies, regardless of code settings.

✶Areceivercannotrespondtomorethanone

transmitted signal at a time.

✶Infrequently used radio links should be

tested regularly to protect against

undetected interference or fault.

✶A general knowledge of radio and its

vagariesshould begainedprior toacting as

a wholesale distributor or dealer, and these

facts should be communicated to the

ultimate users.

D-4B

FOUR-CHANNEL

DIGITAL TRANSMITTER

Code Setting

Instructions

2055 Corte Del Nogal

Carlsbad, CA 92009

(619) 438-7000 •(800) 421-1587

CA (800) 321-1845 •FAX (619) 438-7043

Customer/Technical Service: (800) 392-0123

A NORTEK COMPANY

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